TY - JOUR AU - Ioannis M. Roussos TI - A Geometric Characterization of Helicodial Surfaces of Constant Mean Curvature JO - Publications de l'Institut Mathématique PY - 1988 SP - 137 EP - 142 VL - (N.S.) 43 IS - 57 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/PIM_1988_N_S_43_57_a16/ ID - PIM_1988_N_S_43_57_a16 ER -